What is near-field communication (NFC) and how do I know if my phone has it?
NFC is the wireless communication technology that enables your FreeStyle Libre 2 sensors to wirelessly transmit data to another device. To check if your phone is compatible with FreeStyle Libre 2 sensors, read the Mobile device and OS compatibility guide here: https://freestyleserver.com/Payloads/IFU/2022/q4/ART39109-001_rev-AGweb.pdf
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